Parent taxon: Poteriocrinina according to G. Ubaghs et al. 1978
See also Pabian and Rushlau 2002, Webster 2006, Webster and Donovan 2015, Webster and Jell 1992 and Webster and Webster 2012
Sister taxa: Apographiocrinacea, Aulodesocrinus, Calceolispongiacea, Calceolispongioidea, Carlopsocrinus, Cupressocrinitacea, Decadocrinoidea, Hydreionocrinacea, Poteriocrinitacea, Rhenocrinacea, Tarassocrinus
Subtaxa: Bursacrinidae Cricocrinidae Decadocrinidae
Type: Agassizocrinus
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Permian of Australia (3 collections)
• Melekhovian of United States (1: Nebraska)
• Carboniferous of Canada (1: Alberta), United States (75: Alabama, Indiana, Iowa, Kansas, Kentucky, Nebraska, Oklahoma)
• Devonian of China (3), Mongolia (1), United States (17: Colorado, Indiana, Iowa, New York, Ohio)
Total: 101 collections including 117 occurrences